mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-11 22:24:13 +01:00
32 lines
646 B
Plaintext
32 lines
646 B
Plaintext
// Wire Master Writer
|
|
// by Nicholas Zambetti <http://www.zambetti.com>
|
|
|
|
// Demonstrates use of the Wire library
|
|
// Writes data to an I2C/TWI slave device
|
|
// Refer to the "Wire Slave Receiver" example for use with this
|
|
|
|
// Created 29 March 2006
|
|
|
|
// This example code is in the public domain.
|
|
|
|
|
|
#include <Wire.h>
|
|
|
|
void setup()
|
|
{
|
|
Wire.begin(); // join i2c bus (address optional for master)
|
|
}
|
|
|
|
byte x = 0;
|
|
|
|
void loop()
|
|
{
|
|
Wire.beginTransmission(4); // transmit to device #4
|
|
Wire.send("x is "); // sends five bytes
|
|
Wire.send(x); // sends one byte
|
|
Wire.endTransmission(); // stop transmitting
|
|
|
|
x++;
|
|
delay(500);
|
|
}
|